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Help Center1.2311 Mold Steel | Improved P20 Steel for Plastic Injection Mold Base
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📦 Product Description:
1.2311 tool steel is a refined version of standard P20, developed for plastic molds that demand better polishability, improved toughness, and dimensional stability.
Compared to traditional P20, 1.2311 offers more uniform hardness and better machinability, especially for large-size mold components where performance consistency is critical.
The steel is delivered in a pre-hardened state (~HRC 30–33) and is ready for machining with no additional heat treatment required. It's widely used in automotive, electronics, and consumer plastic injection molds.
🔧 Key Features:
Pre-hardened and stress-relieved
Higher cleanliness, less segregation than regular P20
Excellent polishability for high-gloss molds
Good toughness for heavy or complex molds
Weldable and nitridable
Consistent hardness: HRC 30–33
📐 Common Applications:
Plastic injection mold base plates
Mold cores and cavity blocks
High-precision tooling for automotive & electronics
Mold inserts requiring high surface finish
📦 Stock & Services:
Sizes: 20mm – 600mm thickness
Form: Flat bar / block / customized cut size
Services: Saw cutting, rough milling, grinding
📍 Why Choose Us:
Reliable supply from Dongguan, China
Quick lead time (3–5 days for stock)
Custom processing available
Small batch orders supported
📞 Contact:
Emily | Export Sales
📧 Email: tianzheng9909@163.com
📞 WeChat / WhatsApp: +86 13192036165
🏭 Dongguan Tianzheng Mould Steel Co., Ltd.
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